static int conv_num()

in src/win32/strptime/strptime.c [409:432]

• 18 lines of code
• 5 McCabe index (conditional complexity)

static int conv_num(const char **buf, int *dest, int llim, int ulim)
{
    int result = 0;

    /* The limit also determines the number of valid digits. */
    int rulim = ulim;

    if (**buf < '0' || **buf > '9') {
        return (0);
    }

    do {
        result *= 10;
        result += *(*buf)++ - '0';
        rulim /= 10;
    } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9');

    if (result < llim || result > ulim) {
        return (0);
    }

    *dest = result;
    return (1);
}